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12 oz Fuel System Cleaners

All Fuel System Cleaners

8 12 oz fuel system cleaners from Chevron and Valvoline.

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Size (oz): 12 oz  ×Clear all
BrandChevron2Valvoline2Doc's Auto Parts1Mercury1Molecure1STP1
Size (oz)12 oz8
Clear allShow 8 Fuel System Cleaners
Size (oz): 12 oz  ×8 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
Chevron

6-Pack, 12 oz

+Six 12 oz bottles in one pack
+Formulated for high-mileage vehicles
+Cleans fuel system components as named
−Each bottle holds only 12 oz
No price recorded yet.
Doc's Auto Parts

12 oz

+High-strength PEA formula in a 12 oz bottle
+Labeled as a complete fuel system cleaner
+Uses PEA chemistry for fuel system cleaning
−Single 12 oz bottle per package
No price recorded yet.
Chevron

6-Pack, 12 oz

+Six-pack gives six 12 oz bottles per case
+Concentrate plus fuel system cleaner formula
+12 oz bottles for fuel system treatment
No price recorded yet.
Molecure

12 oz

+Cleans fuel injectors and complete fuel system
+Targets intake valve and combustion chamber carbon
+12 oz bottle treats up to 20 gallons
No price recorded yet.
Valvoline

12 oz

+Holds 12 oz of fuel system cleaner
+Cleans fuel systems while helping improve performance
+Helps improve fuel economy
No price recorded yet.
Valvoline

12 oz

+Holds 12 oz of fuel system cleaner
+Cleans fuel systems while helping restore performance
+Helps restore fuel economy
No price recorded yet.

Compare specs

fuel system cleanerSize (oz)Spec scorePrice
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12 ozn/aNo current price
12 ozn/aNo current price

Other Size (oz) options

Antifreezes & Coolants72Brake Fluids64Engine & Radiator Flushes71Heavy Duty Oils & Fluids12Motor Oils73Power Steering Fluids57Radiator Conditioners & Protectants25Refrigerants52Transmission Fluids66Windshield Washer Fluids75Winter Car Fluids65Cooling System Additives79

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.